JPH0545892B2 - - Google Patents
Info
- Publication number
- JPH0545892B2 JPH0545892B2 JP59238226A JP23822684A JPH0545892B2 JP H0545892 B2 JPH0545892 B2 JP H0545892B2 JP 59238226 A JP59238226 A JP 59238226A JP 23822684 A JP23822684 A JP 23822684A JP H0545892 B2 JPH0545892 B2 JP H0545892B2
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- probe
- liquid
- polar
- coupled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000523 sample Substances 0.000 claims description 167
- 239000012530 fluid Substances 0.000 claims description 114
- 239000007788 liquid Substances 0.000 claims description 64
- 238000001514 detection method Methods 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 229930195733 hydrocarbon Natural products 0.000 description 14
- 150000002430 hydrocarbons Chemical class 0.000 description 14
- 238000004804 winding Methods 0.000 description 12
- 239000000446 fuel Substances 0.000 description 9
- 239000003673 groundwater Substances 0.000 description 8
- 239000004215 Carbon black (E152) Substances 0.000 description 6
- 229910052715 tantalum Inorganic materials 0.000 description 5
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 5
- 235000014676 Phragmites communis Nutrition 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- -1 gasoline Chemical class 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1826—Organic contamination in water
- G01N33/1833—Oil in water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/045—Circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US579431 | 1984-02-13 | ||
US06/579,431 US4586033A (en) | 1984-02-13 | 1984-02-13 | Fluid detection system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60171442A JPS60171442A (ja) | 1985-09-04 |
JPH0545892B2 true JPH0545892B2 (pt) | 1993-07-12 |
Family
ID=24316875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59238226A Granted JPS60171442A (ja) | 1984-02-13 | 1984-11-12 | 流体検出装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4586033A (pt) |
JP (1) | JPS60171442A (pt) |
BR (1) | BR8405436A (pt) |
CA (1) | CA1215157A (pt) |
DE (1) | DE3503833C2 (pt) |
GB (1) | GB2154326B (pt) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4629398A (en) * | 1985-05-07 | 1986-12-16 | Hazeltine Corporation | Oil detecting switch for controlling a pump |
US4644354A (en) * | 1985-06-24 | 1987-02-17 | Emhart Industries, Inc. | Fluid detector |
US4682157A (en) * | 1986-02-27 | 1987-07-21 | Emhart Industries, Inc. | Polar fluid detection system unaffected by power line voltages |
US4752188A (en) * | 1986-03-14 | 1988-06-21 | Richal Corporation | Oil Detection method and apparatus for a pump submerged in a transformer vault |
US4715785A (en) * | 1986-03-14 | 1987-12-29 | Richal Corporation | Oil detection apparatus for submersible pumps |
US4742244A (en) * | 1986-10-15 | 1988-05-03 | Itt Avionics | Electronic float switch apparatus |
US4740777A (en) * | 1986-12-22 | 1988-04-26 | Emhart Industries, Inc. | Programmable fluid detector |
US4850223A (en) * | 1987-07-17 | 1989-07-25 | Tanktech, Inc. | Leak detector |
US5156042A (en) * | 1987-07-17 | 1992-10-20 | Proeco, Inc. | Leak detector |
US4766329A (en) * | 1987-09-11 | 1988-08-23 | Elias Santiago | Automatic pump control system |
US4876530A (en) * | 1987-10-13 | 1989-10-24 | The Marley Company | Method and apparatus for detecting leakage in fuel storage and delivery systems |
US4835522A (en) * | 1987-11-05 | 1989-05-30 | Emhart Industries, Inc. | Tank inventory and leak detection system |
GB8926223D0 (en) * | 1989-11-20 | 1990-01-10 | Solinst Canada Ltd | Water level probe |
US5101851A (en) * | 1990-03-19 | 1992-04-07 | Khodabandeh Abadi | Apparatus for control of hard water scale deposition in cooling systems |
US5091716A (en) * | 1990-07-10 | 1992-02-25 | Emco Electronics | Liquid line leak detection method and apparatus |
US5264368A (en) * | 1990-10-10 | 1993-11-23 | Boston Advanced Technologies, Inc. | Hydrocarbon leak sensor |
US5202667A (en) * | 1990-10-19 | 1993-04-13 | Monitoring Systems, Inc. | Electric leakage detector for underground storage tank systems |
US5317899A (en) * | 1992-12-11 | 1994-06-07 | Control Engineers, Inc. | Method for detecting leaks in underground product lines |
US5376927A (en) * | 1993-03-12 | 1994-12-27 | Emerson Electric Co. | Programmable fluid detector with pressure probe discriminator |
US5325312A (en) * | 1993-03-12 | 1994-06-28 | Emerson Electric Co. | Intelligent pressure probe |
US5375454A (en) * | 1993-03-12 | 1994-12-27 | Emerson Electric Co. | Programmable pump controller |
US5574213A (en) * | 1995-03-13 | 1996-11-12 | Shanley; Alfred W. | Apparatus and method for detecting leaks |
US6138754A (en) * | 1998-11-18 | 2000-10-31 | Schlumberger Technology Corporation | Method and apparatus for use with submersible electrical equipment |
US7131330B2 (en) * | 2004-08-18 | 2006-11-07 | Richal Corporation | Submersible pump controller |
US7492272B1 (en) | 2005-01-27 | 2009-02-17 | Seewater, Inc. | High liquid alarm system |
US7972117B1 (en) | 2005-08-08 | 2011-07-05 | Seewater, Inc. | Pump control system for submersible pumps |
US20070163331A1 (en) * | 2006-01-19 | 2007-07-19 | Delaware Capital Formation, Inc. | Line leak detector |
US8760302B1 (en) | 2008-10-06 | 2014-06-24 | Seewater, Inc. | Submersible water pump having self-contained control circuit |
US8330603B1 (en) | 2008-10-06 | 2012-12-11 | Seewater, Inc. | Method and apparatus for sensor calibration and adjustable pump time in a dewatering system |
US8109126B1 (en) | 2008-10-06 | 2012-02-07 | Seewater, Inc. | Method and apparatus for sensor calibration in a dewatering system |
US8316695B2 (en) * | 2009-05-08 | 2012-11-27 | Delaware Capital Formation, Inc. | Line leak detector and method of using same |
US8850872B2 (en) | 2009-05-08 | 2014-10-07 | Opw Fuel Management Systems, Inc. | Line leak detector and method of using same |
US9970916B2 (en) * | 2014-07-29 | 2018-05-15 | Wellntel, Inc. | Wellhead water quality detector |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5163653A (ja) * | 1974-11-30 | 1976-06-02 | Omron Tateisi Electronics Co | Ekitaireberukenshutsusochi |
JPS55922U (pt) * | 1978-06-10 | 1980-01-07 | ||
JPS5641214B2 (pt) * | 1978-04-05 | 1981-09-26 | ||
JPS592831U (ja) * | 1982-06-29 | 1984-01-10 | ナショナル住宅産業株式会社 | ジヨイナ−取付装置 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2456233A (en) * | 1944-08-26 | 1948-12-14 | Texas Co | Liquid level measurement and control |
GB727504A (en) * | 1952-10-13 | 1955-04-06 | Smith & Sons Ltd S | Impedance indicating devices |
US3188561A (en) * | 1961-06-27 | 1965-06-08 | Ingram Maxwell | Conductivity monitoring system |
DE1261691B (de) * | 1961-07-21 | 1968-02-22 | Universal Oil Prod Co | Verfahren und Anordnung zur Ermittlung der Konzentration von lonen bildenden Bestandteilen in unpolaren Traegermedien |
DE1844862U (de) * | 1961-11-09 | 1962-01-11 | Lechner & Sohn O H G J | Leckmeldegeraet. |
GB1030111A (en) * | 1962-02-09 | 1966-05-18 | Smiths Industries Ltd | Measuring apparatus |
US3350704A (en) * | 1964-04-15 | 1967-10-31 | Kessler Johann | Fuel storage tank installations leak indicator |
US3261201A (en) * | 1964-12-03 | 1966-07-19 | Pottash Herbert | Gasoline leak detector |
US3648165A (en) * | 1970-09-24 | 1972-03-07 | Sun Oil Co | Capacitance-measuring apparatus including means maintaining the voltage across the unknown capacitance constant |
FR2114226A5 (pt) * | 1970-11-20 | 1972-06-30 | Schlumberger Prospection | |
DD107984A1 (pt) * | 1973-10-22 | 1974-08-20 | ||
US3995472A (en) * | 1975-06-26 | 1976-12-07 | Murgor Electric Company, Inc. | Detector system |
NO147929C (no) * | 1976-12-20 | 1983-07-06 | Bronson M Potter | Deteksjonssystem for oljeforurensning. |
FR2436987A1 (fr) * | 1978-09-25 | 1980-04-18 | Baranoff Dimitri | Procede et dispositif de detection d'element d'impurete surnageant a la surface d'une etendue d'eau |
US4213340A (en) * | 1978-11-13 | 1980-07-22 | Cheng Sheng Hsiung | Oil-water interfacial detector |
US4186419A (en) * | 1978-11-20 | 1980-01-29 | Sims Bobby H | Apparatus for monitoring and controlling liquid level |
JPS609700Y2 (ja) * | 1979-09-04 | 1985-04-05 | シャープ株式会社 | 油量測定装置兼水混入検知装置 |
US4282487A (en) * | 1979-09-26 | 1981-08-04 | Trw Inc. | Subsea hydrocarbon sensor system |
US4305068A (en) * | 1980-02-07 | 1981-12-08 | Klein William T | Detector system |
US4357113A (en) * | 1980-05-14 | 1982-11-02 | Brooks Wahner E | Liquid container leakage detection method and system |
DE3022398A1 (de) * | 1980-06-14 | 1982-01-07 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Einrichtung zum elektrischen ueberwachen des niveaus einer in einem behaelter enthaltenen fluessigkeit |
GB2094004B (en) * | 1980-08-23 | 1984-05-02 | Smiths Industries Ltd | Fluid-gauging systems |
JPS57168169A (en) * | 1981-04-10 | 1982-10-16 | Nissan Motor Co Ltd | Electrostatic capacitance detector |
JPS5835421A (ja) * | 1981-08-27 | 1983-03-02 | Nissan Motor Co Ltd | 燃料センサ |
US4453400A (en) * | 1982-01-18 | 1984-06-12 | Atlantic Richfield Company | Leak detector |
GB2125553A (en) * | 1982-08-10 | 1984-03-07 | Standard Telephones Cables Ltd | Multi-purpose sensor/detector for fluid |
US4505148A (en) * | 1983-08-22 | 1985-03-19 | Transamerica Delaval, Inc. | Leak detection system |
-
1984
- 1984-02-13 US US06/579,431 patent/US4586033A/en not_active Expired - Fee Related
- 1984-09-17 CA CA000463388A patent/CA1215157A/en not_active Expired
- 1984-10-25 BR BR8405436A patent/BR8405436A/pt unknown
- 1984-11-12 JP JP59238226A patent/JPS60171442A/ja active Granted
-
1985
- 1985-02-05 DE DE3503833A patent/DE3503833C2/de not_active Expired - Fee Related
- 1985-02-11 GB GB08503467A patent/GB2154326B/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5163653A (ja) * | 1974-11-30 | 1976-06-02 | Omron Tateisi Electronics Co | Ekitaireberukenshutsusochi |
JPS5641214B2 (pt) * | 1978-04-05 | 1981-09-26 | ||
JPS55922U (pt) * | 1978-06-10 | 1980-01-07 | ||
JPS592831U (ja) * | 1982-06-29 | 1984-01-10 | ナショナル住宅産業株式会社 | ジヨイナ−取付装置 |
Also Published As
Publication number | Publication date |
---|---|
GB2154326B (en) | 1988-01-27 |
CA1215157A (en) | 1986-12-09 |
GB8503467D0 (en) | 1985-03-13 |
JPS60171442A (ja) | 1985-09-04 |
DE3503833C2 (de) | 1994-12-08 |
GB2154326A (en) | 1985-09-04 |
US4586033A (en) | 1986-04-29 |
BR8405436A (pt) | 1986-05-20 |
DE3503833A1 (de) | 1985-08-14 |
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